Triple

Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).

Phrase: Leopold III, Margrave of Austria | Statement: [Otto of Freising, father, Leopold III, Margrave of Austria]

Target entity: Leopold III, Margrave of Austria
Context triple: [Otto of Freising, father, Leopold III, Margrave of Austria]

• A. Leopold II, Margrave of Austria
  Leopold II, Margrave of Austria was an 11th-century Babenberg ruler of the March of Austria known for consolidating his territory and supporting monastic foundations.
• B. Leopold I, Margrave of Austria
  Leopold I, Margrave of Austria was a 10th–11th century Babenberg ruler who established the early medieval Austrian march and laid the foundations for the later Duchy of Austria.
• C. Saint Leopold III, Margrave of Austria chosen
  Saint Leopold III, Margrave of Austria, was an 11th–12th century Babenberg ruler venerated as a patron saint of Austria, renowned for his piety, just governance, and role in consolidating and developing the early Austrian margraviate.
• D. Leopold IV, Margrave of Austria
  Leopold IV, Margrave of Austria was a 12th-century Babenberg ruler who significantly expanded and consolidated Austrian territories within the Holy Roman Empire.
• E. Leopold V, Duke of Austria
  Leopold V, Duke of Austria, was a 12th-century Babenberg ruler best known for his role in the Third Crusade and for capturing King Richard I of England on his return from the Holy Land.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.